PAGE 160
ALMAC s.r.l.
It is therefore necessary to always perform the following sequence of movements:
1.
Complete retraction with extension of the telescopic boom;
2.
Full lowering of the JIB;
3.
Rotation of the slewing ring to bring the column back into a centred position (slewing ring
angle 0°);
4.
Complete lowering of the telescopic boom.
5.4
Emergency manual descent
In the event of a fault in the electrical system or in the hydraulic system, it is possible to perform
the DESCENT operation of the platform, using the dedicated manual safety system.
To perform this manual emergency procedure, the following are necessary:
On the right side of the tower, near the distributor, signalled by dedicated stickers, there is a
manual diverter (1) and a hand pump (2) provided with lever (3).
Turn the diverter with arrow facing up;
In this way it is possible to manually control the valves A1 and B1 (Exit and retraction of outreach).
Summary of Contents for AlmaCrawler JIBBI 1250 EVO
Page 40: ...PAGE 40 ALMAC s r l 1 2 3 1 2 3 ...
Page 47: ...PAGE 47 ALMAC s r l ...
Page 74: ...PAGE 74 ALMAC s r l ...
Page 77: ...PAGE 77 ALMAC s r l 3 3 2 Radio mobile control push button panel if present ...
Page 80: ...PAGE 80 ALMAC s r l 3 3 3 Push button panel display cable version and radio version ...
Page 210: ...PAGE 210 ALMAC s r l 8 ATTACHMENTS 8 1 Declaration of conformity ...
Page 212: ...PAGE 212 ALMAC s r l MANDATORY ROUTINE INSPECTIONS Date Observations Stamp and signature ...
Page 228: ...PAGE 228 ALMAC s r l 8 4 Hydraulic diagram See attachment 8 5 Wiring diagram See attachment ...